# CVE-2026-13189

## Summary

- **CVE ID:** CVE-2026-13189
- **Severity:** HIGH
- **CVSS Score:** 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
- **CWE:** CWE-36
- **Published:** Jul 22, 2026
- **Last Modified:** Jul 24, 2026

## Description

In Progress® Telerik® UI for AJAX prior to v2026.2.708, insufficient validation of the language parameter in the spell check handler may allow an attacker to influence server-side file path resolution and trigger unintended server-side requests.

## Affected Products

- Progress Software — Telerik UI for ASP.NET AJAX (2011.2.712)

## References

- [CNA](https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-spellchecker-dictionarylanguage-path-traversal-CVE-2026-13189)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.54%
- **EPSS Percentile:** 43.7

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._